The Federal Reserve Board on Thursday announced its approval of the applications under section 3 of the Bank Holding Company Act by the Desjardins Group, Montreal, Canada; Federation des caisses Desjardins du Quebec, Levis, Canada; La Caisse centrale Desjardins du Quebec, Montreal, Canada; and Desjardins FSB Holdings, Inc., Wilmington, Delaware, to become bank holding companies through the conversion of their existing thrift, Desjardins Federal Savings Bank, Hallandale, Florida, to a national bank that would operate as Desjardins Bank, N.A., also in Hallandale.